Department of Physics, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India.
Saha Institute of Nuclear Physics, A CI of Homi Bhabha National Institute, 1/AF, Bidhannagar, Kolkata 700064, India.
J Chem Phys. 2023 Feb 28;158(8):084307. doi: 10.1063/5.0135440.
The ion impact multiple ionization and subsequent dissociation of CCl is studied using a beam of Ar ion having the energy of about 1 MeV in a linear time- of-flight mass spectrometer, coupled with a position-sensitive detector. The complete, as well as incomplete Coulomb explosion pathways, for CCl and CCl ions are identified and studied. The kinetic energy release distributions of channels, kinetic energies, and momentum distributions of fragmented ions, as well as neutrals, are also calculated. Possible modes of fragmentation pathways, i.e., concerted and/or sequential, for all the identified channels are studied using Newton diagrams, Dalitz plots, and kinetic energy distributions. The dynamical information and fragmentation pathways were analyzed with the Dalitz plot and Newton diagram for the three-body dissociation channel. The nature of the fragmentation process is further investigated with simulated Dalitz plots and Newton diagrams using the simple classical mechanical model.
使用能量约为 1 MeV 的 Ar 离子束在线性飞行时间质谱仪中研究 CCl 的离子冲击多次电离和随后的离解，该质谱仪与位置敏感探测器耦合。确定并研究了 CCl 和 CCl 离子的完整和不完整库仑爆炸途径。还计算了通道的动能释放分布、碎裂离子的动能和动量分布以及中性粒子。使用牛顿图、Dalitz 图和动能分布研究了所有鉴定通道的可能碎裂途径，即协同和/或顺序。使用 Dalitz 图和牛顿图进一步分析了三体离解通道的动力学信息和碎裂途径。使用简单的经典力学模型通过模拟的 Dalitz 图和牛顿图进一步研究了碎裂过程的性质。
